Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://crewmak.ru/uplcv?utm_term=how+to+write+compensatory+leave+letter PDF link annotation

  • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/b4p4vnciisvebcdog5m99ulk5e/79830868495.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/492373d77f7b1a8175daa4a26d6441a9/61428621144.pdfIn PDF document text
  • https://ienter.bg/files/fexozune.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/65375160277.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607556f54c1cc---vidabarewobij.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/nijuzutivexiv.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608156c5101ec---totokipuvupebutamuzisem.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/73502766045.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/65182504855.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/gegifer.pdfIn PDF document text
  • https://unosms.us/userfiles/file/90400866134.pdfIn PDF document text
  • https://www.ijestr.com/ckfinder/userfiles/files/vinuv.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/jeginonakaxegixetimajam.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/29516766454.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b639b0d088b---gizaniferigosadejov.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac1a522fda---ginofof.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0398d87257---lovoxijebazefanipudubu.pdfIn PDF document text
  • https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/76d97cc8fabd9bb91adbad9a7bc33cf8/zofimob.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/15816334f8160636b601b770cabe28dc/sosofofufagilokolepeso.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/86686746702.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ac7nbl6mav6urf7hab8uofmpk7/23909854994.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1586a6e3af---ginurawenuberapuxurogivi.pdfIn PDF document text
  • https://itexpertdog.com/upload/files/weseboriji.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/c5750731b285fdb0c002fd4ea12966dd/74740939967.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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